COVID-19 Update: We are here to help! Heating, Cooling, Electrical & Plumbing are Essential Services #WeGotThisSeattle

How can we help you?

MM Comfort Systems is OPEN for business and working to support the health and safety of our community. Our staff have been trained in proper social distancing and are following all CDC and Municipal measures to ensure the most 'contact free' experience and deliver superior peace of mind.  We are proud to provide, maintain and repair the heating, cooling, electrical and plumbing services that keep our communities going. Call us 24 Hours/Day, We're ready to answer the call!   (LEARN MORE)

MM Comfort Systems
Furnace, AC, Heat Pump

Service & Repair

Heating and Air Conditioning maintenance to keep your systems safe & efficient. Reliable repair when you need it - 24x7. Expert service in all brands. Call us now!

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Furnace, AC, Heat Pump


Full range of installed heating, air conditioning, and air quality systems: furnace, heat pump, AC, hybrid, ductless, radiant, geothermal, water heaters, etc. Get a quick quote now!

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Furnace, AC, Heat Pump


Friendly, expert consultation is available by appointment. The consultative approach includes inspection, heat loss calculation, and written options. 

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Utility INSTANT Rebates Available Now!!

Seattle City Light & PSE now offering rebates on heat pumps duct sealing, & more...

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Planned Maintenance Assurance (PMA) Offers

New customers can take advantage of our special offer, & more...

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The Air Conditioning & Heating experts for Seattle, Bellevue, Tacoma and Redmond

Professional Assessments conducted by qualified experts who understand Air Flow, Duct Pressures and Building Performance. 

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"professional, competent & attentive to detail"

Sandi G. -

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"He was thorough and explained what he was doing."

Vicki H. -

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"I really appreciate how quick the whole process was"

Terry R. -

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AC Company in Bellevue, WA

Reliable Bellevue AC Contractor

Residents of Bellevue, WA, turn to MM Comfort Systems for an AC company that delivers outstanding results every time. When summer temperatures rise near Lake Washington, you'll want to have a reliable air conditioning system in your home. Our locally owned and operated AC company has been offering comprehensive services in Bellevue since 1977. We're a Mitsubishi Diamond Dealer that backs all results with a customer satisfaction guarantee. With our skills, we can offer both residential and commercial services as the premier AC contractor in Bellevue.

AC Cooling Company in Bellevue WA

We're known for:
  • Offering great customer service
  • Using trusted parts and materials
  • Having flexible appointment availability
  • Maintaining open lines of communication

Comprehensive Bellevue AC Repairs

Regardless of the type of issue your Bellevue cooling system is having, MM Comfort Systems wants to be the AC company you turn to for assistance. Our technicians stay current with all advances in cooling technology so that they can work on any make or model of air conditioner. When you have an issue that needs immediate attention, you'll appreciate our 24/7 emergency availability. We'll work meticulously to get all your repairs done right the first time.

Quality Air Conditioning Installations

New air conditioning systems could improve the energy efficiency of your home and save you money. At MM Comfort Systems, we can help you to explore your various options for a new AC unit in Bellevue. We can also offer advice on which option would be best for your property and budget. As a reputable AC contractor, we're able to answer any questions our Bellevue customers have about different cooling systems.

We have a knack for:
  • Completing installations promptly
  • Being friendly and professional
  • Leaving a clean work area
  • Training customers on their new cooling systems

AC Maintenance Plan Options

At MM Comfort Systems, we offer maintenance agreements that could lower your Bellevue summer energy bills. Our technicians can go over your entire system and clean it out. They'll make sure that there aren't any lurking issues that could turn into serious problem in the future. During tune-ups, we'll replace any dirty air filters and make sure that the safety systems are all working properly. We want our customers to have complete peace of mind about the reliability of their air conditioning units. Our work could extend the useful lifetime of your AC. The crew at MM Comfort Systems can also repair, install, and maintain heating systems in Bellevue.To learn more about our work as an AC contractor serving Bellevue, call our office today.

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